Home / 79,913.99-119,890.46-26,605.87

Finding the Fourth Proportional to 79,913.99, 119,890.46 and 26,605.87

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Solution

The fourth proportional to 79,913.99, 119,890.46 and 26,605.87 is: 39,915.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,913.99 : 119,890.46 = 26,605.87 : x
  2. Step 2: Convert to fraction form
    79,913.99/119,890.46 = 26,605.87/x
  3. Step 3: Cross multiply
    79,913.99x = 119,890.46 × 26,605.87
  4. Step 4: Simplify right side
    79,913.99x = 3,189,789,759.79
  5. Step 5: Solve for x
    x = 3,189,789,759.79/79,913.99
  6. Step 6: Final answer
    x = 39,915.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.